Do it yourself
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In this video tutorial, you will learn how to remove and replace the engine spark plug on the Sym Jet Power 125 scooter in simple and quick steps. First, position the central stand on your scooter and start by removing the plastic cover located at the bottom, near the footboard; then remove the spark plug cap and unscrew the spark plug using a socket wrench, as illustrated in the video. At this point, remove and replace the spark plug with a new one of the correct type; screw in the new spark plug by hand and then tighten it securely with the wrench!

Updated on 26 April 2026 by ScegliAuto

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